Fix typo in rnw-dependencies.ps1 (#11328)

* Fix typo in rnw-dependencies.ps1

* Change files

---------

Co-authored-by: Jon Thysell (JAUNTY) <jthysell@microsoft.com>

Author: alicema

change/react-native-windows-4725a2bf-935c-4fe5-bca9-b9e122d0b652.json

@@ -0,0 +1,7 @@
+{
+  "type": "prerelease",
+  "comment": "Fix typo in rnw-dependencies.ps1",
+  "packageName": "react-native-windows",
+  "email": "alicemagicassociation@gmail.com",
+  "dependentChangeType": "patch"
+}